Get a local business phone number in Buffalo, WY

Area codes in Buffalo

Buffalo city is a Census place in Johnson County, Wyoming, with an estimated 4,655 residents in 2024. All 9 exchanges NANPA lists for its rate center are in area code 307. Buffalo is in the Mountain time zone.

According to NANPA's dialing-plan data, local calls within 307 are dialed as seven digits and toll calls as 1 plus ten digits.

Phone carriers in Buffalo

8 carriers hold the 9 exchanges assigned to Buffalo's rate center. Cellco Partnership d/b/a Verizon Wireless - WY has the most, with 2. 6 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Buffalo can come from any of these blocks; once it is yours, porting lets it move between providers.

Exchanges (NPA-NXX) assigned in Buffalo

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Buffalo. The earliest assignment date recorded in the file for these codes is 2002. 2 of the 9 were assigned in 2020 or later.

When Buffalo's exchanges were assigned

Assignment dates show when each block of Buffalo numbers was added to the local supply.

How local numbers work in Buffalo

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Buffalo's numbers are rated to the BUFFALO rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Buffalo number.

New local numbers are drawn from carrier inventory, so the exact 307 numbers available change over time; porting an existing number is free.

The local business market

Buffalo is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 23,865 business establishments in Wyoming in 2023, employing 212,203 people. The largest sectors by establishment count are professional, scientific, and technical services (3,352), construction (2,981), and retail trade (2,674).

Business phone service in Buffalo

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Buffalo, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 9 users, the rounded average establishment size in Wyoming. At list prices checked September 28, 2026, that is $224.55 a month on Ooma Office Pro and $270.00 on RingCentral RingEX Core. On Callata the same 9 people cost $179.00 a month, less than either per-seat plan.